Home / 12,236.51-16,882.36-6,858.16

Finding the Fourth Proportional to 12,236.51, 16,882.36 and 6,858.16

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Solution

The fourth proportional to 12,236.51, 16,882.36 and 6,858.16 is: 9,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.51 : 16,882.36 = 6,858.16 : x
  2. Step 2: Convert to fraction form
    12,236.51/16,882.36 = 6,858.16/x
  3. Step 3: Cross multiply
    12,236.51x = 16,882.36 × 6,858.16
  4. Step 4: Simplify right side
    12,236.51x = 115,781,926.06
  5. Step 5: Solve for x
    x = 115,781,926.06/12,236.51
  6. Step 6: Final answer
    x = 9,462.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.